[release]: polish another release notes

- fixed amount of quotes to make them work
- fixed Debian/Ubuntu rabbitmq/erlang info
- fixed syntax in Ansible update

Change-Id: I2730c6336ca3029c411e497b0851109eaec0e249

releasenotes/notes/rabbitmq-erlang-cloudsmith-c837bf4a450dd802.yaml

@@ -1,10 +1,12 @@
 ---
 fixes:
   - |
-    Fixes the Debian and Ubuntu images to use rabbitmq and erlang from
+    Fixes the Debian and Ubuntu images to use rabbitmq from cloudsmith and
-    cloudsmith so that the images are still buildable and use proper versions.
+    erlang from Team RabbitMQ PPA so that the images are still buildable and
+    use proper versions.
 upgrade:
   - |
-    The Debian and Ubuntu images use rabbitmq and erlang from cloudsmith now.
+    The Debian and Ubuntu images use rabbitmq from cloudsmith and erlang from
-    Operators might want to mirror/proxy this new source as it provides the
+    Team RabbitMQ PPA now. Operators might want to mirror/proxy those new
-    correct set of packages unlike the previous combination.
+    sources as they provides the correct set of packages unlike the previous
+    combination.

releasenotes/notes/toolbox-ansible-2-13-ecea6484aaff1182.yaml

@@ -1,4 +1,4 @@
 ---
 upgrade:
   - |
-    Ansible version in ``kolla-toolbox`` container has been upgraded to 2.13
+    Ansible in ``kolla-toolbox`` container has been upgraded to 2.13 version.

releasenotes/notes/user-provided-repos.yaml-d6e8583e9d9d01ef.yaml

@@ -1,6 +1,6 @@
 ---
 features:
   - |
-    Added an `--repos-yaml` argument to allow user to provide own file with
+    Added an ``--repos-yaml`` argument to allow user to provide own file with
     definitions of external package repositories. Useful for those building
     in offline environments with set of internal mirrors.